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Snipe RTX 4070! AMD RX 7900 GRE first review

via:快科技     time:2023/7/28 14:00:34     readed:232

First, preface: China area is dedicated to sniper RTX 4070

The new generation of RTX 40 series Gpus has a very good energy efficiency ratio, which also allows NVIDIA to more and more free in the pricing of products. Even RTX 4070 Ti, such as the previous 4,000 yuan level model, is now sold to 6499 yuan, which is 1,000 yuan more expensive than the previous generation of RTX 3080.

There are a lot of players who want AMD to take a shot at NVIDIA!

This time, AMD launched a special model in China, Radeon RX 7900 GRE, with the name of RX 7900, but the price is only 5299 yuan.

狙击RTX 4070!AMD RX 7900 GRE首发评测:16GB大显存可战未来

The RX 7900 GRE uses the same Navi 31 core as the RTX 7900 XTX, with a slight emasement.

狙击RTX 4070!AMD RX 7900 GRE首发评测:16GB大显存可战未来

The RX 7900 GRE has 80 CU units of the RDNA3 architecture, for a total of 5120 stream processors, 320 texture units, 80 second-generation Ray Accelerators, 160 AI Accelerators, 160 ROPs, and more. GPU acceleration frequency 2245MHz, TGP 250W.

In terms of video memory, the RX 7900 GRE shields two groups of MCD, and the remaining four groups constitute 256Bit width, which is combined with 16GB GDDR6 18Gbps video memory, and the bandwidth reaches 576GB/s, which is higher than the previous generation RX 6900 XT.

Infinity Cache capacity of 64MB, only half of the RX 6900 XT, but AMD has increased the Cache frequency to 2.3GHz, making Infinity Cache has 5.3TB/s of horrible bandwidth, equivalent to 2.7 times the previous generation.

In addition, in the RDNA3 GPU, AMD introduced the DP2.1 interface for the first time, the transmission bandwidth from DP1.4 32Gbps to 54Gbps, can output 8K165Hz or 4K480Hz screen, and support 12 bit color depth, can display 68 billion colors. In contrast, the current competitor's products can only support DP1.4.

狙击RTX 4070!AMD RX 7900 GRE首发评测:16GB大显存可战未来

In terms of specifications, the RX 7900 GRE is similar to the RX 6900 XT in that both are 5120 stream processors with 16GB of video memory and 256Bit of video memory width. However, the former has the bonus of RDNA3 architecture, which should theoretically be much stronger than the latter.

translate engine: Youdao

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